Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc tan doi snippets" » "ngoc tuan doi snippets", "ngoc toan doi snippets", "ngoc lan doi snippets", "ngoc tan hoi snippets", "ngoc tan soi snippets", "ngoc tan voi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ngoc tan doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc tan doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc tan doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc tan doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.